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  1. #106
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    Quote Originally Posted by Speed Jr. View Post
    The real Q is why the 300XS's hasn't been a standard option for the SS boat...... Same reason the 200xs will never take off in ss.....have at it.
    thats a very good question. they only allow the 280 as the max engine you can use for the class. but the rules say up to 300 HP but they wont allow the 300 Mercs to run in the class. thats kinda contradicts the rules i dont understand LOL. this is what the rules states for SS Class
    2.
    Engine specs (Twin Engines)
    Approved engine: Any STOCK outboard advertised to the public as 300HP or less
    Compression ratio: May not be altered

    Engine modifications

    Not allowed. Entire engine, including powerhead, center section, lower unit, and exhaust system must remain stock as produced by the manufacturer.
    Media blasting and bead blasting not allowed.
    Powerhead year: Must be declared prior to the race.
    Use of special or interchange parts: Not allowed. Except as noted: Mahle and Pro-Marine part nos. W25S and W25P pistons are approved.
    Balancing and Blueprinting is not allowed. Balancing and Blueprinting shall be defined as (but not limited to) "cleaning -up", "bringing to spec", removing or adding any metal or any other material to balance any reciprocating parts.
    Cowlings: May be a light weight facsimile of the production cowling. Air flow may not be altered. Original production decals must be on cowling.
    Lower gear case ratio: Any OEM gear ratio is allowed.
    Nose Cones: Allowed as cast and produced by the original gearcase manufacturer.
    Remote water pick ups: Not Allowed.
    Reeds: Any reeds are allowed. Stock reed cages must be used.

    OPA Rule Book/Version 9 – 05/20/2014

    Flywheels
    : No modifications or lightening is allowed.
    ECU boxes: May not be modified or reprogrammed. Maximum RPM allowed 8200.
    Updating of equipment: Allowed
    Backdating of equipment: Not Allowed
    Turbochargers/superchargers: Engines must be naturally aspirated. No forced induction of any type is allowed.
    Fuel: Only petroleum based fuels are allowed. Octane enhancing additives are not allowed. Oxygen enhancing additives are not allowed.
    Last edited by julianconde; 12-19-2014 at 12:01 AM.

    Twister 25 Ft Race Catamaran - Mercury 300XS

  2. #107
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    so there you have it clear as day that you ca use 300HP engines.
    Last edited by julianconde; 12-19-2014 at 12:00 AM.

    Twister 25 Ft Race Catamaran - Mercury 300XS

  3. #108
    Join Date
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    1953
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    Unless they did 50mph coz they were so heavy, the 280 gunna beat that pontoon motor every time

  4. #109
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    Quote Originally Posted by powerabout View Post
    Unless they did 50mph coz they were so heavy, the 280 gunna beat that pontoon motor every time
    ha ha

    Twister 25 Ft Race Catamaran - Mercury 300XS

  5. #110
    Join Date
    Nov 2006
    Location
    Montgomery MN - Abu Dhabi UAE
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    Quote Originally Posted by LongShot View Post
    Rumor mill has it S3000's are being built in Belgium. I talked to an individual that saw 30 of them in full dress state side. Post on FB says all 2.5 tooling being scrapped?????
    It shows NLA in Belgium as well.

    Belgium does not have a Mercury racing division of their own.

    Product Information
    Part Requested: 848039A44
    Replaced By: 848039A84
    Product Line: Q/S
    Description: PWD ASY 2.5 RACE
    Class: 61
    Packing Quantity: 1
    Prices
    Net Price: <input type="submit" value="Turn Off"> 7.731,71 USD
    (Family 709 OB FAST MOVING S P)
    Estimated Availibility
    Requested Quantity: 1
    Available Stock: 0

    Chet Olson

  6. #111
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    The mid sections are much, much stronger on a ROS engine. The 300 mids will snap, and I know this first hand after a hard turn.

  7. #112
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    Quote Originally Posted by Pachanga_rick View Post
    The mid sections are much, much stronger on a ROS engine. The 300 mids will snap, and I know this first hand after a hard turn.
    Pachanga Rick LOL you have a email

    Julian

    Twister 25 Ft Race Catamaran - Mercury 300XS

  8. #113
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    Jul 2003
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    Modoc, South Carolina
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    They are not all gone yet!

    I have (3) of them...
    All the 2.5 ROS Race motors are NOT all gone yet !


    ROS 20" Offshores that still run great -- 114 mph
    Virgins, no windows, no welding, no repairs, never been into by anyone
    Leak down 2% to 3% to 6% on any of all 18 cylinders with a Snap-On Leak Down Tester By Certified Mercury Marine Mechanic

    All (3) are for sale

    I'm going to go to (2) 300 xs motors

    If you are interested in purchasing any of these motors:

    E MAIL ME AT:
    triadboats@yahoo.com

    NO Phone calls, No PMs --- Just email me if you are interested

    Motors are $12,500 each plus freight or you pick up at TRIAD Power Boats in Modoc, SC 29838
    I will paint the cowlings Black for you for free, most people dont like the custom paint job dealAttachment 311849Attachment 311886
    Attached Thumbnails Attached Thumbnails triple ROS 280s.jpg   Mach 26 (5).jpg   IMG_1395.JPG  
    Last edited by Triad Boats; 12-24-2014 at 02:17 AM.

  9. #114
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    center right hand SOLD
    Now have (1) left hand
    (1) right hand

  10. #115
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    Michigan
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    destroying the tooling for those motors would amount to one of the dumbest moves ever in the history of the boating industry. the fact that the 200 xs ros are based heavily off of them leads me to bull****.

  11. #116
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    Jun 2007
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    Maybe but it will create a nice business opportunity for someone.
    I have never understood those corporate types who convince themselves that cutting supply to old stuff will mean sales of new engines when all it does is create a new aftermarket business.
    Ps I dont think there are many dies in common with a 200xs
    Last edited by powerabout; 12-25-2014 at 08:31 AM.

  12. #117
    Join Date
    Nov 2013
    Location
    Oak Hill Fl.
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    Quote Originally Posted by Triad Boats View Post
    I have (3) of them...
    All the 2.5 ROS Race motors are NOT all gone yet !


    ROS 20" Offshores that still run great -- 114 mph
    Virgins, no windows, no welding, no repairs, never been into by anyone
    Leak down 2% to 3% to 6% on any of all 18 cylinders with a Snap-On Leak Down Tester By Certified Mercury Marine Mechanic

    All (3) are for sale

    I'm going to go to (2) 300 xs motors

    If you are interested in purchasing any of these motors:

    E MAIL ME AT:
    triadboats@yahoo.com

    NO Phone calls, No PMs --- Just email me if you are interested

    Motors are $12,500 each plus freight or you pick up at TRIAD Power Boats in Modoc, SC 29838
    I will paint the cowlings Black for you for free, most people dont like the custom paint job dealAttachment 311849Attachment 311886
    There you go J get it!!!!!!!!!!!!!!!!

  13. #118
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    Dec 2014
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    Quote Originally Posted by dwilfong View Post
    There you go J get it!!!!!!!!!!!!!!!!
    if i had the money i would already have engines for my offshore Cat ;-)

    Twister 25 Ft Race Catamaran - Mercury 300XS

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